C:\Steve\Dev\PerlMonks\P-2013-11-23@0553-Hash>perl testhash2.pl test.csv
Number of Pins: 6
Stored 6 list of pins in test_RX.csv file.
AVD0 => Group4
SIDDQ => Group7
C_WREN => Group1
CAL_CLK => Group1
REF_RATE[9:0] => Group3
RX_IBIAS_2_25U[4:0] => Group3